Alvarez lab 13

KE: 1/2mv^2
P: mv
Mass of blue cart: 515 g
KE before: 1/2 (515g) (.665 m/s)^2 = 113.873 J
KE after: 1/2 (515g) (.0956 m/s)^2 = 2.353 J
P before: (515g) (.663 m/s) = 341.44 kg m/s
P after: (515g) (.0956 m/s) = 49.234 kg m/s

76.57% degree of elasticity



KE: 1/2mv^2
P: mv
Mass of red cart: 515 g
KE before: 1/2 (515g) (.001 m/s)^2 = 0 J
KE after: 1/2 (515g) (.574 m/s)^2 = 84.840 J
P before: (515g) (.001 m/s) = .515 kg m/s
P after: (515g) (.574 m/s) = 295.61 kg m/s

76.57% degree of elasticity


KE: 1/2mv^2
P: mv
Mass of red cart: 515 g
KE before: 1/2 (515g) (0 m/s)^2 = 0 J
KE after: 1/2 (515g) (.219 m/s)^2 = 12.35 J
P before: (515g) (0 m/s) = 0 kg m/s
P after: (515g) (.219 m/s) = 112.785 kg m/s

12.91 % of elasticity

KE: 1/2mv^2
P: mv
Mass of blue cart: 515 g
KE before: 1/2 (515g) (.559 m/s)^2 = 113.873 J
KE after: 1/2 (515g) (.232 m/s)^2 = 2.353 J
P before: (515g) (.559 m/s) = 341.44 kg m/s
P after: (515g) (.232 m/s) = 49.234 kg m/s

12.91 % of elasticity

KE: 1/2mv^2
P: mv
Mass of blue cart: 515 g
KE before: 1/2 (515g) (0 m/s)^2 = 0 J
KE after: 1/2 (515g) (.587 m/s)^2 = 88.727 J
P before: (515g) (.0 m/s) = 0 kg m/s
P after: (515g) (.587 m/s) = 515.59 kg m/s

122 % of elasticty

KE: 1/2mv^2
P: mv
Mass of blue cart: 1015 g
KE before: 1/2 (1015g) (.659 m/s)^2 = 220.398 J
KE after: 1/2 (1015g) (.355 m/s)^2 = 180.163 J
P before: (1015g) (.659 m/s) = 668.885 kg m/s
P after: (1015g) (.355 m/s) = 360.325 kg m/s

122 % of elasticity

KE: 1/2mv^2
P: mv
Mass of blue cart: 515 g
KE before: 1/2 (515g) (.002 m/s)^2 = .515 J
KE after: 1/2 (515g) (.337 m/s)^2 = 29.244 J
P before: (515g) (.002 m/s) = 1.03 kg m/s
P after: (515g) (.337 m/s) = 173.555 kg m/s

55.20 % of elasticity

KE: 1/2mv^2
P: mv
Mass of blue cart: 1015 g
KE before: 1/2 (1015g) (.567 m/s)^2 = 163.156 J
KE after: 1/2 (1015g) (.347 m/s)^2 = 61.108 J
P before: (1015g) (.567 m/s) = 575.505 kg m/s
P after: (1015g) (.347 m/s) = 352.205 kg m/s

55.20 % of elasticity